While this may seem a style choice, how your sink is installed can make a huge difference in how easy it is to keep the vanity clean. An undermount sink means that you can easily wipe down the counter surface with little impediment. Drop-in sinks require a little more work to keep them clean around their edges. Price may play a factor in this decision, as undermount sinks are usually more expensive.

Vanity sinks provide the luxury of added closed storage space, supplied as an essential completing detail of a full unit. These sinks are embedded into a counter top as standard.